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Finding the Fourth Proportional to 238,807.61, 358,269.93 and 196,185.08

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Solution

The fourth proportional to 238,807.61, 358,269.93 and 196,185.08 is: 294,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,807.61 : 358,269.93 = 196,185.08 : x
  2. Step 2: Convert to fraction form
    238,807.61/358,269.93 = 196,185.08/x
  3. Step 3: Cross multiply
    238,807.61x = 358,269.93 × 196,185.08
  4. Step 4: Simplify right side
    238,807.61x = 70,287,213,087.29
  5. Step 5: Solve for x
    x = 70,287,213,087.29/238,807.61
  6. Step 6: Final answer
    x = 294,325.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.